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M
M
LOADING
MOTOR
CYLINDER ASSEMBLY
CAPSTAN MOTOR
DRUM
MOTOR
PG
SENSOR
CL287
5
5
CTL(+)
6
6
CTL(-)
CL504
MAIN CBA
KEY- 2
C-CONT
C-FG
D-PFG
ST-S
T-REEL
C-F/R
KEY- 1
REMOCON-IN
CTL(+)
RESET
PG-DELAY
CTL(-)
D-V SYNC
D-REC-H
D-REC-H
RF-SW
H-A-SW
C-ROTA
END-S
14
90
87
94
95
CTL AMP OUT
FF/REW-L
84
97
76
10
4
80
34
78
2
15
13
18
33
16
31
8
7
RS501
REMOTE
SENSOR
81
D-CONT
77
Servo/System Control Block Diagram
BLOCK DIAGRAMS
T-REEL
Q501
RESET
Q503
SW-POINT
AL+5V
VR501
TIMER+5V
IIC-BUS SDA
IIC-BUS SDA
IIC-BUS SCL
A-MUTE-H
IIC-BUS SDA
IIC-BUS SCL
Hi-Fi-H-SW
A-MODE
A-MUTE-H
Hi-Fi-H-SW
A-MODE
H-A-COMP
17
V-ENV
6
P-ON-L
P-ON-L
P-DOWN-L
P-OFF-H
67
86
P-DOWN-L
73
P-OFF-H
C-SYNC
58
SW506
FROM/TO
VIDEO BLOCK
FROM/TO
Hi-Fi AUDIO
BLOCK
TO
AUDIO BLOCK
1-10-1
1-10-2
HE274BLS
SDA
SDA
SCL
SCL
TU701(TUNER UNIT)
IC503
(MEMORY)
72
32
19
83
IIC-BUS SCL
D-V SYNC
D-REC-H
RF-SW
H-A-SW
C-ROTA
IIC-BUS SDA
H-A-COMP
V-ENV
C-SYNC
IIC-BUS SCL
71
3
5
SDA
SCL
12
11
LD-SW
9
AL+12V
AL+15V
AL+5V
AL+5V
SW507
AL+12V
AL+5V
LD-SW
AL+5V
D502
S-LED
FROM/TO
POWER
SUPPLY
BLOCK
A-MUTE-H
KEY
SWITCH
KEY
SWITCH
TP507
SENS-INH
M
CAPSTAN
MOTOR
" " = SMD
NOTE FOR WIRE CONNECTORS:
1. PREFIX SYMBOL "CN" MEANS CONNECTOR.
(CAN DISCONNECT AND RECONNECT.)
2. PREFIX SYMBOL "CL" MEANS WIRE-SOLDER
HOLES OF THE PCB.
(WIRE IS SOLDERED DIRECTLY.)
TEST POINT INFORMATION
:INDICATES A TEST POINT WITH A JUMPER WIRE ACROSS A HOLE IN THE PCB.
:USED TO INDICATE A TEST POINT WITH A COMPONENT LEAD ON FOIL SIDE.
:USED TO INDICATE A TEST POINT WITH NO TEST PIN.
:USED TO INDICATE A TEST POINT WITH A TEST PIN.
IC561
(LED DISPLAY)
IC501
(SERVO/SYSTEM CONTROL)
DRV-DATA
DRV-STB
DRV-CLK
DRV-DATA
DRV-STB
DRV-CLK
FP562
LED DISPLAY
G1
G2
G3
G4
S1
S2
S7
S8
S9
S10
23
22
21
28
2
1
68
69
70
20
13
14
16
17
7
8
5
6
CL502
12
AL+15V
11
AL+12V(2)
10
GND
9 D-PFG
8 D-CONT
7 LM-FWD/REV
6 GND
5 C-CONT
4 C-F/R
3 C-FG
2 AL+5V
1 AL+12V
SENSOR CBA
SENSOR CBA
END-S
ST-S
Q504
Q505
REC-
SAFETY
LM-
FWD/REV
REC-
SAF-SW
TP505
ST-S
Comparison Chart of
Models & Marks
Model
Mark
VR340/55
VR340/75
VR740/55
A
B
C
VR740/75
D
CONTROL
HEAD
AC HEAD ASSEMBLY
(DECK ASSEMBLY)
C,D
C,D
C,D
C,D
Q502
TP501
CTL
1 POWER
KEY
SWITCH
KEY
SWITCH
CL509
SW1 CBA
1 STOP/EJECT
CL511
SW2 CBA
Содержание VR340/55
Страница 19: ...1 8 3 HE274DC LD SW Pin Hole Hole Shaft Cam Gear 5 Main CBA 4 Deck Assembly 5 Main CBA SW507 LD SW Pin Fig 5 ...
Страница 65: ...1 18 1 HE274FEX EXPLODED VIEWS Front Panel A1X A1X VR340 55 75 VR740 55 75 ...
Страница 84: ...2 4 8 U27NPCASIADA Fig DM16 41 42 43 L 13 44 45 Slide Fig DM17 ...